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Psy 265 week 2 DQ 1 and DQ 2

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
8/11/09


 !
"##$

%###
#$
%#&#
#'

Sometimes you may see someone you find attractive, or handsome, and you get these weird
feelings inside your body. This is what is called your sexual hormones working. Depending on
the intensity of that is what motivates one's behavior and one's ability to perform that behavior.
The brain plays a very important role in how the body responds to sexual arousal. There are
certain parts of the brain that play these roles to prepare the body in the event that there will be
sexual intercourse. There are cells in what is called the cerebral cortex (in the brain) that
transmit messages whenever we may have or experience thoughts of sex. This is what turns
one's body on or off. These cells will also transmit a message through the spinal cord and this
in turn sends blood to the sex organs, which in a man, causes an erection, or in a woman,
vaginal lubrication. This is what happens when 2 people are kissing, touching each other, etc.
In total, there are four phases that describe the sexual response cycle.
1. Excitement In men, this produces an erection, in female, vaginal lubrication
2.Plateau The advance state of arousal that precedes orgasm.
3. Orgasm This consists of two stages in the male, which is the collection of the semen in the
penis to prepare for ejaculation, and the second phase is the bladder relaxes and allows the
passage of semen. In females, the pelvic muscles that surround the vagina contract and then
release the sexual tension.
4. Resolution The body in male and female gradually returns to prearousal state. The organs

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return to normal size.
()
*+#$

 ,-$*
*
.,# */"
#/
 0$
/###
 1*$*
/$2** 1
* 3
45
 0
#/#
#. 
.6#/
 */2
/*7
 *#80/
#
. 
(9

  
!"""#$"

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